3 years ago

Why do cells need to regulate what goes in and out of them?

1 answer:

5 0

Answer: These molecules are essential for living things. The cell membrane controls what goes in and out by having protein channels that act like funnels in some cases and pumps in other cases. Passive transport does not require energy molecules and happens when a funnel opens in the membrane, letting molecules flow through.

Explanation: Hope this helps :)

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